[Qgis-developer] Remove editing functions from QgsVectorLayer

[Nathan Woodrow]

More complicated then I thought :)



On Tue, Apr 16, 2013 at 8:01 PM, Jürgen E. <jef at norbit.de> wrote:

> On Tue, 16. Apr 2013 at 19:26:52 +1000, Nathan Woodrow wrote:
> >    Personally I'm not a fan of that.
> >    Why don't we make startEditing() return a edit buffer/edit session.
> So you
> >    could do this:
> >    session = layer.editSession()
> >    session.addFeature(feature)
> >    ...
> >    session.commitChanges()
> >    This would mean that everyone can keep their own edit buffers and can
> do
> >    what they want.  Means you could also doing this:
> >    with layer.editSession() as session:
> >         session.addFeature(...)
> >    which will commit the features at the end.
> >    - Nathan
>
> And would would those session interact?   Does vector layer render
> everything
> that got added in any session and skip everything that was deleted in any
> session?   Can stuff added in one session already be removed in an other?
> How would rollback/undo/redo work?
>
>
>
> Jürgen
>
> --
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